[On the peculiarities distinguishing local sewer systems with underground filtration from penetrable cesspools, suction and absorption systems].
D005374:Filtration; D012498:Sanitary Engineering; D012722:Sewage; D012987:Soil
D012722:Sewage; D012987:Soil
Ob osobennostiakh, otlichaiushchikh mestnye ochistnye kanalizatsionnye sooruzheniia podzemnoĭ fil'tratsii ot pronitsaemykh vygrevov, vsasyvaiushchikh i pogloshchaiushchikh ustroĭstv.